Patents by Inventor Joseph J. Greco

Joseph J. Greco has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ophthamological use of hydrastis compounds
    Patent number: 3943251
    Abstract: Topical application of hydrastis compounds, such as hydrastine, berberine and canadine, or salts thereof alone or in ophthalmic solutions for the purposes of dilating the pupil, topical anesthesia and/or fluorescently staining (temporarily) of corneal epithelial defects and/or fluorescence in applanation tonometry.
    Type: Grant
    Filed: January 27, 1975
    Date of Patent: March 9, 1976
    Inventors: Norman B. Medow, Joseph J. Greco